vrr/nDPI
2
0
Fork 0
mirror of https://github.com/vel21ripn/nDPI.git synced 2026-04-28 23:19:42 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Add Mudfish protocol dissector (#2932)

Browse source 
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
This commit is contained in:
Toni 2025-08-06 21:07:27 +02:00 • committed by GitHub
parent c5c309708b
commit 470d0d6323
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
333 changed files with 832 additions and 675 deletions
Download patch file Download diff file Expand all files Collapse all files

97
src/lib/protocols/mudfish.c Normal file
View file

@ -0,0 +1,97 @@
/*
* mudfish.c
*
* Copyright (C) 2011-25 - ntop.org
*
* nDPI is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nDPI is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nDPI. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ndpi_protocol_ids.h"
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_MUDFISH
#include "ndpi_api.h"
#include "ndpi_private.h"
static void ndpi_int_mudfish_add_connection(struct ndpi_detection_module_struct * const ndpi_struct,
struct ndpi_flow_struct * const flow)
{
NDPI_LOG_INFO(ndpi_struct, "found Mudfish\n");
ndpi_set_detected_protocol(ndpi_struct, flow,
NDPI_PROTOCOL_MUDFISH,
NDPI_PROTOCOL_UNKNOWN,
NDPI_CONFIDENCE_DPI);
}
static void ndpi_search_mudfish(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
NDPI_LOG_DBG(ndpi_struct, "search Mudfish\n");
if (packet->udp != NULL)
{
if ((packet->udp->source < htons(10000) ||
packet->udp->source > htons(10010)) &&
(packet->udp->dest < htons(10000) ||
packet->udp->dest > htons(10010)))
{
NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow);
return;
}
// Mudfish ping
if (packet->payload_packet_len == 1 &&
packet->payload[0] == 0x50)
{
if (flow->packet_counter >= 2)
ndpi_int_mudfish_add_connection(ndpi_struct, flow);
return;
}
NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow);
return;
}
// Mudfish discovery request
if (packet->payload_packet_len == 7 &&
get_u_int32_t(packet->payload, 0) == htonl(0x554e2076) &&
get_u_int16_t(packet->payload, 4) == htons(0x320d) &&
packet->payload[6] == 0x0a)
{
ndpi_int_mudfish_add_connection(ndpi_struct, flow);
return;
}
// Check discovery response
if (packet->payload_packet_len > 8 &&
get_u_int32_t(packet->payload, 0) == htonl(0x554e2041) &&
get_u_int32_t(packet->payload, 0) == htonl(0x465f494e))
{
ndpi_int_mudfish_add_connection(ndpi_struct, flow);
return;
}
NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow);
}
void init_mudfish_dissector(struct ndpi_detection_module_struct *ndpi_struct)
{
register_dissector("Mudfish", ndpi_struct,
ndpi_search_mudfish,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_OR_UDP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
1, NDPI_PROTOCOL_MUDFISH);
}